03-02-2023 Changes in the First Level Organizational Structure of YPF

03-02-2023 Settlement agreement YPF TGN

18-01-2023 Cancellation of outstanding Class XIV Negotiable Obligations

06-01-2023 Reserves Auditor

16-11-2022 SEC - Domestic risk rating (Moody´s)

09-11-2022 SEC - Article 63

09-11-2022 SEC - Changes in the composition of the YPF´s Board of Directors

03-11-2022 SEC - Aquisition of Company shares by the Company

31-10-2022 SEC - Aquisition of Company shares by the Company

24-10-2022 SEC - Acquisition of Company shares by the Company

14-10-2022 SEC - Acquisition of Company shares by the Company

13-10-2022 Appointment of Alternate Market Relations Officer

07-10-2022 SEC - Acquisition of Company shares by the Company

03-10-2022 SEC - Acquisition of Company shares by the Company

26-09-2022 SEC - Acquisition of Company shares by the Company

15-09-2022 SEC - Acquisition of Company shares by the Company

01-09-2022 SEC - Execution of Joint Study and Development Agreement (JSDA) and MoU with Petronas

31-08-2022 SEC - Changes in the first level of the Senior Management Structure of YPF S.A

10-08-2022 SEC - Article 63

10-08-2022 SEC - Changes in the Board of Directors

15-07-2022 SEC - Changes in the composition of the Board of Directors and the Senior Management Structure of YPF S.A.

23-06-2022 SEC - Maxus Court Proceeding

11-05-2022 SEC - Art. 63

29-04-2022 SEC - Shareholders’ Meeting 2022

29-04-2022 SEC-Board of Directors Composition

29-04-2022 SEC-Appointment of Audit Committee

20-04-2022 SEC-20F 2021

08-04-2022 SEC-Proposal of the Board of Directors to YPF´s shareholders

31-03-2022 SEC - 31-03-2022 Shareholders´ Meeting 2022

03-03-2022 SEC-Article 62

18-02-2022 SEC-Appeal against TGN

29-11-2021 SEC - Bajo del Toro Area

09-11-2021 SEC- Changes in the composition of the Board of Directors

09-11-2021 SEC - Art.63

01-10-2021 SEC - Related Party Contract Mega

13-09-2021 SEC - Purchase of Notes

24-08-2021 Lawsuit Paz Herrera

10-08-2021 SEC - Article 63

02-08-2021 SEC - Repurchase of Notes

30-07-2021 SEC - Changes in Senior Management of YPF

29-07-2021 SEC - Domestic risk rating

30-06-2021 SEC Appointment of Alternate Market Relations Officer

03-06-2021 SEC - Agreements with related parties

17-05-2021 SEC - Repurchase of Notes Report

11-05-2021 SEC - Article 63

04-05-2021 SEC - Changes in YPF´s Senior Management Structure

30-04-2021 SEC - Board of Directors Composition and Supervisory Committee

30-04-2021 SEC - Appointment of Audit Committee

27-04-2021 SEC - Changes in the Rating of Negotiable Obligations

23-04-2021 SEC - Repurchase of Notes Report

22-04-2021 SEC - Filing of 2020 Annual Report on Form 20-F

14-04-2021 SEC - Law No. 27,605

29-03-2021 SEC - Shareholders’ Meeting 2021

04-03-2021 SEC - Article 62

04-03-2021 SEC - CIMSA

02-03-2021 SEC - Rating of Negotiable Obligations

26-02-2021 SEC - Final Results of Exchange Offer

24-02-2021 SEC - Changes in the composition of Board of Directors of YPF

23-02-2021 SEC - Changes in the Rating of Negotiable Obligations

19-02-2021 SEC - Changes in the Rating of Negotiable Obligations

11-02-2021 SEC - Results of Exchange Offers and Consent Solicitation

08-02-2021 SEC - Amendment to the Exchange Offer and Consent Solicitation

01-02-2021 SEC - Amendment to the Exchange Offer and Consent Solicitation

26-01-2021 SEC - Amendment to the Exchange Offer and Consent Solicitation

25-01-2021 SEC - Summary of Extraordinary Meetings of Holders of Negotiable Obligations

21-01-2021 SEC - Changes in YPF´s Senior Management Structure

15-01-2021 SEC - Additional Notice to the Call of the General Extraordinary Holders’ Meeting

14-01-2021 SEC - Announcement of Modifications to Exchange Offers and Consent Solicitation

12-01-2021 SEC - Changes in the Rating of Negotiable Obligations

08-01-2021 SEC - Announcement of Exchange Offers and Consent Solicitation

30-11-2020 SEC Acquisition of Shares by the Company

20-11-2020 SEC Acquisition of Shares by the Company

10-11-2020 SEC Changes in the Board of Directors

10-11-2020 SEC Article 63

10-11-2020 SEC Acquisition of Shares by the Company

19-10-2020 SEC Relevant Fact - TGN

19-10-2020 SEC EXMAR NV Settlement Agreement

07-10-2020 SEC Agreements with related parties - GPA

14-08-2020 SEC Agreements with related parties - Refinería del Norte S.A.

10-08-2020 SEC Article 63

10-08-2020 SEC Appointment of Market Relations Officer

10-08-2020 SEC Changes in the Composition of YPF SA

10-08-2020 SEC Agreements with related parties YPF EE

10-08-2020 SEC Agreements with related parties Aerolineas Argentinas

31-07-2020 SEC Announcement of results as of the Expiration Date of the Exchange Offer

18-07-2020 SEC Relevant Information related to the Exchange Offer

13-07-2020 SEC Announcement of changes to the Exchange Offer

02-07-2020 SEC Announcement of Exchange Offer

08-06-2020 SEC Changes in the Rating of Negotiable Obligations

05-06-2020 SEC Petersen-Eton Demands

04-06-2020 SEC Changes in the Board of Directors and in the Senior Management Structure of YPF S.A.

20-05-2020 SEC Dismissal of Paz Herrera Claims-Second Instance

19-05-2020 SEC Relevant Fact - DNU No. 488/2020

14-05-2020 SEC Changes in the Senior Management

14-05-2020 SEC Bandurria Sur Final Agreement

11-05-2020 SEC Rating of Negotiable Obligations

11-05-2020 SEC Changes in the Board of Directors of YPF

11-05-2020 SEC Article 63

30-04-2020 SEC Changes in the Senior Management Structure of YPF S.A.

30-04-2020 SEC General Ordinary and Extraordinary Shareholders Meeting of YPF S.A. Summary

27-04-2020 SEC YPF Shareholders’ Meeting – Confirmation of Remote Meeting

24-04-2020 SEC Form 20-F 2019

16-04-2020 SEC Rating of Negotiable Obligations

16-04-2020 YPF Supplemental Call Notice

15-04-2020 SEC Rating of Negotiable Obligations

31-03-2020 SEC YPF's Shareholders Meeting 2020

27-03-2020 SEC Changes in the Composition of YPF SA Board of Directors

11-03-2020 SEC Art. 62 Addendum

05-03-2020 SEC Art. 62 Q4 2019

05-03-2020 SEC Changes in the composition of the Board of Directors

31-01-2020 SEC Signature of TS Bandurria Sur

10-01-2020 SEC Changes in the composition of the Board of Directors and the Senior Management Structure of YPF S.A.

07-11-2019 SEC Art. 63 Q3 2019

01-11-2019 Changes in Prices

30-10-2019 Accession to the Regime Decree No. 1053/2018

09-10-2019 SEC Incident in Neuquén

19-09-2019 SEC Changes in Prices

16-09-2019 SEC Incident in Neuquén

02-09-2019 SEC Changes in Prices

23-08-2019 SEC Rating of Senior Unsecured Negotiable Obligations

16-08-2019 SEC Decree Price Freezing

08-08-2019 SEC Art 63 Q2 2019

01-07-2019 SEC Payment of Dividends

27-06-2019 SEC Ensenada Barragán Thermal Power Station

27-06-2019 SEC Payment of Dividends

26-06-2019 SEC Aguada del Chañar

24-06-2019 SEC Petersen lawsuit

30-05-2019 SEC Award Thermal Power Station Barragán

30-05-2019 SEC Agreements with related parties - Barragán

17-05-2019 SEC Acquisition of Shares

17-05-2019 SEC Dismissal of Paz Herrera Claims

09-05-2019 SEC Appointment of new IRO

09-05-2019 SEC Acquisition of Shares

09-05-2019 SEC Agreements with related parties

09-05-2019 SEC Art 63 Q1 2019

26-04-2019 SEC General Ordinary and ExtraordinaryShareholders´ meeting

26-04-2019 SEC Appointment of Audit Commitee

05-04-2019 SEC Aerolineas Argentinas S.A. Agreement

04-04-2019 SEC 20F 2018

28-03-2019 SEC Call Notice

21-03-2019 SEC Shareholders´ meeting

08-03-2019 SEC Merge Bajo del Toro I and II

07-03-2019 SEC Art 62 Q4 2018

01-03-2019 SEC Dismissal of Paz Herrera Claims

08-02-2019 SEC Agreement entered into with Compañía Mega S.A

31-01-2019 SEC Incentive Program for Investments in Natural Gas Production

21-11-2018 SEC Liquefaction barge

09-11-2018 SEC Art 63 Q3 2018

22-10-2018 SEC Appointment of Alternate Market Relations Officer

03-10-2018 SEC Acquisition of Oil Combustibles S.A.

18-09-2018 SEC Settlement of Tender Offer

17-09-2018 SEC Expiration of Tender Offer

10-09-2018 SEC Tender Offer

07-09-2018 SEC Management Structure of YPF S.A.

07-08-2018 SEC Agreements with related parties – YPF Energía Eléctrica S.A.

07-08-2018 SEC Change in the Senior Management Structure of YPF S.A.

07-08-2018 SEC Art 63 Q2 2018

25-07-2018 SEC Maxus Lawsuit to YPF Holdings & CLH Holdings

11-07-2018 SEC Petersen lawsuit

04-06-2018 SEC Supplementary Price Agreement

04-06-2018 SEC Oil

09-05-2018 09 05 2018 SEC Government Agreement Prices

08-05-2018 SEC Art 63 Q1 2018

08-05-2018 SEC YPF S.A. Consolidated Results Q1 2018

08-05-2018 08 05 2018 SEC Acquisition of own shares

27-04-2018 SEC Appointment of Audit Committee

27-04-2018 SEC Shareholders Meeting Summary

24-04-2018 SEC 20F 2017

22-03-2018 SEC Changes in the Board of Directors

22-03-2018 SEC General Ordinary and Extraordinary Shareholders Meeting

20-03-2018 SEC Closing GE

01-03-2018 HR SEC Art 62 Q4 2017

22-02-2018 SEC News Report Metrogas

15-02-2018 SEC Changes in the Board of Directors

08-02-2018 SEC Acquisition CLPC

07-02-2018 SEC Agreement with EFS and GE

02-02-2018 SEC Agreement with Petronas

17-01-2018 SEC Definitive Agreement with Statoil

22-11-2017 SEC HR Cerro Bandera y Llancancelo

14-11-2017 SEC Emision ON

09-11-2017 HR SEC Art 64 3T 2017 Proof

25-10-2017 SEC Investor Day Presentation

20-10-2017 SEC Agreement YPF Chevron

11-10-2017 SEC BS SPM

28-08-2017 SEC Changes in the Senior Management

25-08-2017 SEC Lawsuit Ricardo Paz Herrera

25-08-2017 SEC Agreement with Statoil

25-08-2017 SEC Extension Magallanes TDF

15-08-2017 SEC Agreement Shell Neuquén

08-08-2017 SEC ART 63 2T 2017

02-08-2017 SEC Agreement Rincón del Mangrullo

18-07-2017 SEC Closing Aguada Pichana

10-07-2017 SEC Dividend Payment

08-06-2017 SEC Notice of Payment of Dividends

08-06-2017 SEC Changes in the Senior Management Structure

07-06-2017 6K SEC Eton Park Lawsuit

31-05-2017 SEC End of acquisition of Own Shares 2017

30-05-2017 YPF S.A. gives notice of an acquisition of Company shares in the market

26-05-2017 SEC Maxus

12-05-2017 YPF sings agreement with Shell

09-05-2017 HR SEC Art 63 1T 2017

09-05-2017 Acquisition of Company Shares by the Company

09-05-2017 Changes in the Senior Management Structure of YPF S.A

28-04-2017 SEC - Shareholders' Meeting Summary

28-04-2017 SEC- Appointment of the Audit Committee of YPF S.A

18-04-2017 SEC Journalistic versions

18-04-2017 SEC Agreement in the Llancanelo Block

12-04-2017 SEC Agreement with SPM

05-04-2017 Ordinary General and Extraordinary Shareholders Meeting Call Notice

30-03-2017 Maxus

30-03-2017 Memorandum of Understanding between YPF PAE TOTAL and WIAR

29-03-2017 General Ordinary and Extraordinary Shareholders Meeting

29-03-2017 Changes in the Board of Directors and the Senior Management Structure of YPF

10-03-2017 Informe Enargas

09-03-2017 SEC Art. 62

09-03-2017 Supply Agreement with Aerolíneas Argentinas S.A

09-03-2017 SEC Merger YPF YSUR

23-02-2017 Acquisition of an additional participating interest in AdlA

23-02-2017 Agreement with O&G (Shell)

14-02-2017 SEC MetroGas

13-02-2017 SEC Additional acquisition of AgdA

13-02-2017 SEC Sale Transaction to CAMMESA

16-01-2017 SEC Agreement with YPFB

13-01-2017 SEC Acquisition of 50% of the stock of Petrofaro S.A

09-01-2017 SEC Agreement among YPF and AESU

30-11-2016 SEC Changes in the Senior Management Structure

23-11-2016 SEC Agreement with Petronas

08-11-2016 SEC Art 63 3T 2016

28-10-2016 SEC Agreement with Statoil

18-10-2016 SEC Agreement with GyP and the Province of Neuquen

14-10-2016 SEC Agreement with Pampa Energía

13-10-2016 SEC Changes in the Senior Management Structure

22-09-2016 SEC Agreement with Chevron

19-09-2016 SEC Electric Generation

15-09-2016 SEC Update of relevant information regarding the company

13-09-2016 SEC Enargas Report

12-09-2016 SEC Petersen Claim

02-09-2016 SEC changes in management structure

31-08-2016 SEC Acquisition of EOG Arg

04-08-2016 HR SEC Art 63 2T 2016

04-08-2016 SEC Authorization for the Issuance of Negotiable Obligations

18-07-2016 SEC Agreement with Chevron

20-06-2016 Filing of Chapter 11 U.S. Bankruptcy Code by Maxus Entities

10-06-2016 SEC YPF S.A. Dividends Payment Clarification

09-06-2016 SEC Dividends Payment

06-06-2016 Changes in the Senior Management Structure of YPF S.A. - Appointment of CEO

23-05-2016 SEC - YPF S.A. gives notice of an acquisition of Company shares in the market

16-05-2016 SEC Authorization for the Issuance of Negotiable Obligations

16-05-2016 SEC YPF S.A. gives notice of an acquisition of Company shares in the market

13-05-2016 Acquisition of Company Shares by the Company

13-05-2016 SEC YPF S.A. executes agreement with Pampa Energía S.A

10-05-2016 HR SEC Art 63 1T 2016

04-05-2016 SEC - Appointment of the Audit Comitee of YPF SA

04-05-2016 SEC - Changes in the Senior Management Structure of YPF SA

02-05-2016 SEC annulment of the Company´s General Meeting request

28-04-2016 SEC Notification of damages awarded in CCI Arbitration 1623 JRF CA 'YPF vs AESU and TGM'

30-03-2016 SEC General Ordinary And Extraordinary Shareholders Meeting

18-03-2016 SEC Agreement with Chevron

16-03-2016 SEC Changes in the Senior Management Structure of YPF

09-03-2016 HR SEC Miguel Galuccio Announcement

03-03-2016 HR SEC Changes in the Supervisory Comittee of YPF

03-03-2016 HR SEC Art 62

03-03-2016 SEC Merger of YPF S.A with YPF Inversora Energética S.A and Gas Argentino S.A

14-01-2016 Agreement with AEAQ - Bajada de Añelo and Cerro Arena

11-01-2016 Extension of Explotation Concesion in Magallenes Area

05-11-2015 HR SEC Art 63 3T 2015

14-10-2015 SEC Authorization for the Issuance of Negotiable Obligations

04-09-2015 SEC Loma la Lata Blockage

18-08-2015 SEC Adcq shares of Petroken and Petrocuyo

05-08-2015 HR SEC Art 63 Q2 2015

05-08-2015 05-08-2015 SEC Authorization for the Issuance of Negotiable Obligations

18-06-2015 SEC Acquisition of Own Shares

17-06-2015 SEC Acquisition of Own Shares

09-06-2015 SEC- Adquisition of own Shares and New Share Compensation Plan

31-05-2015 SEC - Form SD - Conflict Minerals Disclosure and Report

27-05-2015 BCBA HR - Amendment to the Investment Agreement with PEPASA

07-05-2015 HR SEC Art 63 Q1 2015

06-05-2015 SEC - Appointment of the Audit Committee

06-05-2015 SEC - Board Composition and Supervisory Committee

06-05-2015 SEC - Shareholder´s meeting summary

27-04-2015 27-04-2015 SEC Exercise of cumulative voting and proposal of holders

23-04-2015 23-04-2015 SEC Authorization for the Issuance of Negotiable Obligations

30-03-2015 30-03-2015 SEC Authorization for the Issuance of Negotiable Obligations

30-03-2015 30-03-2015 SEC General Ordinary and Extraordinary Shareholders´ meeting

26-02-2015 26-02-15 -SEC HR Art. 62

06-02-2015 06-02-2015 SEC-HR - Shareholders´s Meeting Summary 05-02-2015

05-11-2014 SEC Authorization for the issuance of Negotiable Obligations and Sales to CAMMESA

05-11-2014 HR SEC Art 63 3T 2014

16-10-2014 SEC Resignation of alternate Director

28-08-2014 SECAgreementwithPetronasEPOSV

25-08-2014 SECAcquisitionofOwnShares

21-08-2014 SECAcquisitionofOwnShares

20-08-2014 SECAcquisitionofOwnShares

19-08-2014 SECAcquisitionofOwnShares

15-08-2014 SECAcquisitionofOwnShares

14-08-2014 SECAcquisitionofOwnShares

13-08-2014 SECAcquisitionofOwnShares

08-08-2014 SECChangesintheBoardofDirectors

08-08-2014 SECModificatonoftermsandconditionfortheaqcuisiti

07-08-2014 HR SEC Art 63 2T 2014

06-08-2014 SEC Acquisition of Own Shares

05-08-2014 SEC Acquisition of Own Shares

04-08-2014 SEC Acquisition of Own Shares

01-08-2014 SEC Acquisition of Own Shares

30-07-2014 SEC Acquisition of Own Shares

29-07-2014 SEC Acquisition of Own Shares

28-07-2014 SEC Acquisition of Own Shares

24-07-2014 SEC Acquisition of Own Shares

16-07-2014 SEC Acquisition of Own Shares

10-07-2014 SEC Acquisition of Own Shares

04-07-2014 SEC Acquisition of Own Shares

18-06-2014 SEC Acquisition of Own Shares

16-06-2014 SEC Acquisition of Own Shares

12-06-2014 SEC Adquisition of Own Shares and New Share Compensation

12-06-2014 SEC Change in the Board of Directors and Senior Managemet

11-06-2014 SEC Dividends 2014

23-05-2014 HR SEC Shareholders Meeting Summary

09-05-2014 HR SEC Repsol withdraw claims against YPF

08-05-2014 HR SEC Art63 Q1 2014

08-05-2014 SEC Authorization for the Inssuance of Negotiable Obligations

05-05-2014 HR SEC Appoinment of Audit Committee

05-05-2014 HR SEC Board of Directors Composition

05-05-2014 HR SEC Shareholders Meeting Summary

30-04-2014 SEC HR CUARTO INTERMEDIO ASAMBLEA

30-04-2014 YPF 6K

24-04-2014 HR SEC ADR Holder Proposal

14-04-2014 HR SEC Propuestas del Directorio

10-04-2014 SEC Unconventional Hydrocarbons Agreements

04-04-2014 SEC Call Notice 2014

03-04-2014 SEC Confimation Dismissal Monroe

31-03-2014 SEC Ordinary and Extraordinary Shareholders meeting

31-03-2014 SEC Proposed use of Profits

28-03-2014 SEC 20F 2013 YPF SA

23-03-2014 SEC HR Incident at the Cerro Divisadero Plant

27-02-2014 SEC Agreement between YPF S.A. and Repsol S

25-02-2014 SEC HR Agreement between Argentina and Repsol S.A

21-02-2014 SEC HR Class Action Dismissal

14-02-2014 SEC Extension of concessions in Chubut

12-02-2014 SEC HR YPF acquisiton

07-02-2014 SEC HR BONY

31-01-2014 6k Puesto Hernández adquisition

24-01-2014 SEC Negotiable Obligations issuance authorization

01-01-2014 SEC Changes in the Board of Directors

27-11-2013 SEC Relevant Fact

26-11-2013 R SEC Agreement in principle

26-11-2013 HR SEC Acquisition of own shares

22-11-2013 HR SEC YPF´s Relevant Facts

18-11-2013 SEC HR Acquisition of own shares

07-11-2013 HR SEC Audit Commitee

07-11-2013 HR SEC Investment Agreement in the Rincon del Mangrullo area

06-11-2013 SEC HR Board of Directors approvals

05-11-2013 SEC Art. 63 Q3 2013

11-10-2013 SEC R+D Agreement with YPF Tecnologia S A

25-09-2013 SEC HR Floating Rate Senior Secured Notes due 2018 Ratin

24-09-2013 SEC HR Agreement for the development of unconventional g

23-09-2013 BCBA HR Cambio en el Direcorio

23-09-2013 SEC HR Acquisition of own shares

16-09-2013 SEC HR Acquisition of own shares

09-09-2013 SEC HR Acquisition of own shares

02-09-2013 SEC HR Acquisition of own shares

30-08-2013 SEC HR agreement for development of unconventional hydro

29-08-2013 Presentación YPF

15-08-2013 SEC HR Acquisition of own shares

12-08-2013 SEC Dividends

12-08-2013 SEC Negotiable Obligations Issuance Authorization

12-08-2013 SEC HR Art. 63

18-07-2013 SEC HR Revoke of the protective measure of annotation of

16-07-2013 SEC HR Unconventional hydrocarborns development agreemen

15-07-2013 SEC HR Acquisition of own shares

08-07-2013 SEC HR Acquisition of own shares

24-06-2013 SEC HR Acquisition of own shares

10-06-2013 SEC Compensation, purchase and agreement

07-06-2013 SEC Spin-off of PPE

05-06-2013 SEC Audit Committee

04-06-2013 SEC HR

31-05-2013 SEC Board of Directors Composition

30-05-2013 SEC HR

28-05-2013 SEC HR Partial Award

24-05-2013 SEC ADR holders proposal

21-05-2013 SEC HR Recommendations

14-05-2013 YPF6K

09-05-2013 Art. 63 BCBA

07-05-2013 6KPurchase of Stock of Gas Argentino SA

01-05-2013 General Ordinary and Extraordinary Shareholders´ Meeting Summary

01-05-2013 General Ordinary and Extraordinary Shareholders´ Meeting

03-04-2013 General Ordinary and Extraordinary Shareholders' Meeting

03-04-2013 6K UpdateIncident at the La Plata Industrial Complex

26-03-2013 YPFSOCIEDADANONIMA201303266K20130326

04-03-2013 6KIncident at the La Plata Industrial Complex

11-02-2013 Section 23 BASE

17-01-2013 Changes in the Board and Senior Management Structure of YPF SA

20-11-2012 SEC Santa Cruz Province Concessions Extension

07-11-2012 6K Art. 63 and dividend announcement

07-11-2012 YPF Q3 2012 results press release

14-09-2012 General Ordinary Shareholder´s Meeting and Change in Senior Management Structure

30-08-2012 YPF Strategic Plan presentation

13-08-2012 General Ordinary Shareholder´s Meeting and Negotiable Ob

10-08-2012 Art No 63 Financial Statements as of 06302012

10-08-2012 Q2 2012 Results Press Release

27-07-2012 Change in Senior Management Structure

26-07-2012 Art 63 Financial Statements Q1 2012

26-07-2012 Press Release Q12012

19-07-2012 Repurchase of 10 Medium-Term Notes Due 2028

18-07-2012 General Ordinary Shareholders Meeting

17-07-2012 Assigment of profits Financial Statements as of 12-31-2011

12-07-2012 Change in Senior Management Structure

28-06-2012 Payment request under loan granted by Repsol YPF Tesorer

19-06-2012 Acquisition 3,609 capital stock of YPF by Itaú Unibanco

18-06-2012 General Ordinary Shareholders Meeting and Changes in the

15-06-2012 Acquisition of 8,37 of YPF capital stock by Banco Inbur

06-06-2012 Preview Presentation of strategic plan

06-06-2012 Return of Exploitation Concessions

05-06-2012 General Shareholder´s Meeting, Composition of Board of D

01-06-2012 Notification of preliminary injunction

28-05-2012 Filing extension for Q12012 Financial Statements

17-05-2012 Extension of the temporary intervention

17-05-2012 Filing of annual report on Form 20F 2011

09-05-2012 Law 26.741 and appointment of General Manager

27-04-2012 Notification of preliminary injunction

23-04-2012 General Ordinary Shareholders´ Meeting

19-04-2012 Project of Law N°529 12

18-04-2012 Delegates appointment

17-04-2012 Temporary Intervention of YPF S.A

29-03-2012 Preliminary Results in the Vizcacheras block in the Mend

29-03-2012 YPF Preliminary Results in Vaca Muerta Formation in the

22-03-2012 Calling of Shareholders´ Meeting

22-03-2012 Distribution of profits proposal

21-03-2012 Decrees of Chubut and Santa Cruz Provinces

09-03-2012 Press Release Q42011

08-03-2012 Art. 62 Financial Statements 12312011

07-03-2012 Appeal against resolution N° 16,757

29-02-2012 Board of Directors´ Meeting Feb 23,2012

29-02-2012 Preliminary information on December 31,2011 results

24-02-2012 Information request on news publications

08-02-2012 Investments and reserves 2011

08-02-2012 Unconventional resources and reserves at Vaca Muerta for

07-02-2012 Relevant Update Karcz´s file

31-01-2012 YPF press release

06-01-2012 New discovery of conventional oil resources in Mendoza

14-09-2011 Aviso Pago Intereses ON clase V

08-08-2011 Financial Statements as of 06302011

03-08-2011 Changes in the Board of Directors

29-07-2011 Consolidated Result Q2 2011 Press Release

14-07-2011 Preliminary Exploratory Results well on unconventional oil formation (shale oil)

12-07-2011 Sale of shares of YPF by Repsol YPF

12-07-2011 Recent developments

06-07-2011 Extension of Exploitation Concessions in the Province of

18-05-2011 RepsolPetersen Option Exercise

13-05-2011 Financial Statements as of 03302011

11-05-2011 New Non conventional crude oil discovery coming from Sha

06-05-2011 First quarter 2011 consolidated results. Press release

06-05-2011 Relevant approvals Board of Directors

05-05-2011 10perc stock capital acquisition of YPF SA by PEISA

29-04-2011 Composition of YPF SA Board of Directors, Supervisory Co

26-04-2011 Dividend payment

13-04-2011 Filing of 2010 Annual Report on Form 20F

07-04-2011 General Ordinary Shareholders’ Meeting of YPF S.A. to be held on April 26, 2011

23-03-2011 YPF S.A. Announces Pricing of Secondary Offering by Reps

16-03-2011 Financial Statements as of 09302010

14-03-2011 DISCUSSION OF 2010 RESULTS OF OPERATIONS

14-03-2011 Financial Statements as of 06302010

14-03-2011 Financial statements for the years ended December 31, 20

14-03-2011 YPF S.A. Announces Secondary Offering by Repsol

04-03-2011 Management s Discussion and Analysis of Financial

03-03-2011 Relevant Update

02-03-2011 Registration Statement on Form F3

24-02-2011 Preliminary Results as of December 31, 2010

24-02-2011 Recent developments and other updated information on the

14-02-2011 Information Article 2, Chapter XXI of the Rules

14-02-2011 Information Article 2

06-08-2010 Report of foreign issuer

05-08-2010 Report of foreign issuer

30-07-2010 Preliminary Results as of June 30 2010

30-06-2010 Financial Statements

30-04-2010 Preliminary results as of 31 March 2010

23-04-2010 Composition of YPF Board Directos

15-04-2010 Dividend payment

22-03-2010 General Shareholder Meeting April 14 2010

16-03-2010 Financial Statements as of December 31 2009

10-03-2010 Information on iol and gas reserves (Unaudited)

04-03-2010 Preliminary Results as of December 31 2009

16-02-2010 class II and class III Negotiable obligations issuance a